Kamontorn Chuenchom และ Vichai Pruktharathikul. (2010) Risk analysis of hazardous biogas in plant operations : a case study of a tapioca starch factory. Mahidol University:ม.ป.ท.Kamontorn Chuenchom และ Vichai Pruktharathikul. 2010. Risk analysis of hazardous biogas in plant operations : a case study of a tapioca starch factory. ม.ป.ท.:Mahidol University;Kamontorn Chuenchom และ Vichai Pruktharathikul. Risk analysis of hazardous biogas in plant operations : a case study of a tapioca starch factory. ม.ป.ท.:Mahidol University, 2010. Print.